Discontinuous reception method, terminal device and network device

Abstract

Provided in implementations of the present disclosure are a discontinuous reception (DRX) method, a terminal device and a network device, which may optimize a DRX mechanism, thereby further reducing power consumption. The method includes: a first terminal device monitoring a downlink control channel, the downlink control channel carrying m pieces of DRX information which are form terminal devices respectively, the m terminal devices including the first terminal device, m being a positive integer, and each piece of DRX information among the m pieces of DRX information being used to indicate at least one of the following: a target BWP, a target DRX configuration, target DRX parameters and the duration during which a PDCCH is monitored within an active period of a DRX cycle.

What I claim is: 
     
       1. A method for discontinuous reception, comprising:
 monitoring, by a first terminal device, a downlink control channel, wherein the downlink control channel carries m pieces of discontinuous reception (DRX) information respectively for m terminal devices comprising the first terminal device, where m is a positive integer, wherein, 
 each piece of DRX information in the m pieces of DRX information is used for indicating at least one of the following: 
 a target bandwidth part (BWP), a target DRX configuration, a target DRX parameter, and a time length for monitoring a physical downlink control channel (PDCCH) in an on-duration of a DRX cycle. 
 
     
     
       2. The method of  claim 1 , wherein, the downlink control channel carries m sets of bit values, and the m sets of bit values correspond to the m pieces of DRX information in one-to-one correspondence, each set of bit values in the m sets of bit values comprises n bit values which are used for representing the each piece of DRX information, where n is a positive integer. 
     
     
       3. The method of  claim 1 , further comprising:
 receiving, by the first terminal device, first configuration information, wherein the first configuration information indicates a target radio network temporary identity (RNTI) for monitoring the downlink control channel; 
 wherein monitoring, by the first terminal device, the downlink control channel comprises: 
 monitoring, by the first terminal device, the downlink control channel according to the target RNTI. 
 
     
     
       4. The method of  claim 1 , further comprising:
 receiving, by the first terminal device, second configuration information, wherein the second configuration information is used for indicating a channel format of the downlink control channel; 
 wherein monitoring, by the first terminal device, the downlink control channel comprises: 
 monitoring, by the first terminal device, the downlink control channel according to the channel format of the downlink control channel. 
 
     
     
       5. The method of  claim 1 , wherein monitoring, by the first terminal device, the downlink control channel comprises:
 monitoring, by the first terminal device, the downlink control channel sent before the DRX cycle; or 
 monitoring, by the first terminal device, the downlink control channel sent in a first subframe or a first slot during the on-duration of the DRX cycle; or 
 monitoring, by the first terminal device, the downlink control channel sent in a common search space of a control channel. 
 
     
     
       6. The method of  claim 1 , further comprising:
 determining, by the first terminal device, DRX information for the first terminal device from the m pieces of DRX information. 
 
     
     
       7. A method for discontinuous reception, comprising:
 sending, by a network device, a downlink control channel to a first terminal device, wherein the downlink control channel carries m pieces of discontinuous reception (DRX) information respectively for m terminal devices comprising the first terminal device, where m is a positive integer, wherein, 
 each piece of DRX information in the m pieces of DRX information is used for indicating at least one of the following: 
 a target bandwidth part (BWP), a target DRX configuration, a target DRX parameter, and a time length for monitoring a physical downlink control channel (PDCCH) in an on-duration of a DRX cycle. 
 
     
     
       8. The method of  claim 7 , wherein, the downlink control channel carries m sets of bit values, and the m sets of bit values correspond to the m pieces of DRX information in one-to-one correspondence; each set of bit values in the m sets of bit values comprises n bit values which are used for representing the each piece of DRX information, and n is a positive integer. 
     
     
       9. The method of  claim 7 , further comprising:
 sending, by the network device, first configuration information, wherein the first configuration information indicates a target RNTI for monitoring the downlink control channel. 
 
     
     
       10. The method of  claim 7 , further comprising:
 sending, by the network device, second configuration information, wherein the second configuration information is used for indicating a channel format of the downlink control channel. 
 
     
     
       11. The method of  claim 7 , wherein sending, by the network device, the downlink control channel comprises:
 sending, by the network device, the downlink control channel before the DRX cycle; or 
 sending, by the network device, the downlink control channel in a first subframe or a first slot during the on-duration of the DRX cycle; or 
 sending, by the network device, the downlink control channel in a common search space of a control channel. 
 
     
     
       12. The method of  claim 7 , further comprising:
 sending, by the network device, third configuration information to the first terminal device, wherein the third configuration information indicates a number of the first terminal device, and the DRX information for the first terminal device is DRX information corresponding to the number in the m pieces of DRX information. 
 
     
     
       13. A terminal device, wherein the terminal device is a first terminal device, comprising: a processor and a transceiver, wherein
 the transceiver is configured to monitor a downlink control channel, wherein the downlink control channel carries m pieces of discontinuous reception (DRX) information respectively for m terminal devices comprising the first terminal device, where m is a positive integer, wherein, 
 each piece of DRX information in the m pieces of DRX information is used for indicating at least one of the following: 
 a target bandwidth part (BWP), a target DRX configuration, a target DRX parameter, and a time length for monitoring a physical downlink control channel (PDCCH) in an on-duration of a DRX cycle. 
 
     
     
       14. The terminal device of  claim 13 , wherein, the downlink control channel carries m sets of bit values, and the m sets of bit values correspond to the m pieces of DRX information in one-to-one correspondence; each set of bit values in the m sets of bit values comprises n bit values which are used for representing the each piece of DRX information, and n is a positive integer. 
     
     
       15. The terminal device of  claim 13 , wherein,
 the transceiver is further configured to receive first configuration information, wherein the first configuration information indicates a target RNTI for monitoring the downlink control channel; 
 the transceiver is specifically configured to monitor the downlink control channel according to the target RNTI. 
 
     
     
       16. The terminal device of  claim 13 , wherein,
 the transceiver is further configured to receive second configuration information, wherein the second configuration information is used for indicating a channel format of the downlink control channel; 
 the transceiver is specifically configured to monitor the downlink control channel according to the channel format of the downlink control channel. 
 
     
     
       17. The terminal device of  claim 13 , wherein the transceiver is specifically configured to,
 monitor the downlink control channel sent before the DRX cycle; or 
 monitor the downlink control channel sent in a first subframe or a first slot during the on-duration of the DRX cycle; or 
 monitor the downlink control channel sent in a common search space of a control channel. 
 
     
     
       18. The terminal device of  claim 13 , wherein the processor is configured to determine DRX information for the first terminal device from the m pieces of DRX information. 
     
     
       19. A network device, comprising: a processor and a transceiver, wherein
 the transceiver is configured to send a downlink control channel to a first terminal device, wherein the downlink control channel carries m pieces of discontinuous reception (DRX) information respectively for m terminal devices including the first terminal device, where m is a positive integer, wherein, 
 each piece of DRX information in the m pieces of DRX information is used for indicating at least one of the following: 
 a target bandwidth part (BWP), a target DRX configuration, a target DRX parameter, and a time length for monitoring a physical downlink control channel (PDCCH) in an on-duration of a DRX cycle. 
 
     
     
       20. The network device of  claim 19 , wherein, the downlink control channel carries m sets of bit values, and the m sets of bit values correspond to the m pieces of DRX information in one-to-one correspondence; each set of bit values in the m sets of bit values comprises n bit values which are used for representing the each piece of DRX information, and n is a positive integer. 
     
     
       21. The network device of  claim 19 , wherein the transceiver is further configured to send first configuration information, wherein the first configuration information indicates a target RNTI for monitoring the downlink control channel. 
     
     
       22. The network device of  claim 19 , wherein, the transceiver is further configured to send second configuration information, wherein the second configuration information is used for indicating a channel format of the downlink control channel. 
     
     
       23. The network device of  claim 19 , wherein the transceiver is specifically configured to:
 send the downlink control channel before the DRX cycle; or 
 send the downlink control channel in a first subframe or a first slot during the on-duration of the DRX cycle; or 
 send the downlink control channel in a common search space of a control channel. 
 
     
     
       24. The network device of  claim 19 , wherein the transceiver is further configured to send third configuration information to the first terminal device, wherein the third configuration information indicates a number of the first terminal device, and the DRX information for the first terminal device is DRX information corresponding to the number in the m pieces of DRX information.